Hunan Great Steel Pipe Co., Ltd provides services that reduce total project cost and keep complex piping systems on schedule. Including Cutting, Rolling and Bending, Coating, Beveling, Threading, Welding and Assembly Forming.
Three ways to ensure smoothness as required when producing straight seam steel pipe1. Rolling mold: The general method of rolling mold is to press the glass powder into a glass mat
Benefits of using 45 degree elbows in construction and infrastructure projectsBenefits of using 45 degree elbows in construction and infrastructure projectsConstruction and infrast
Significance of the heat treatment process of oil casingHeat treatment is the most important process in the processing of oil casing. Whether the performance and quality of the fin
Application of pipeline eddy current testingApplication of pipeline eddy current testingDepending on the shape of the test piece and the purpose of the test, different types of coi
Standard for industrial pipeline anti-corrosion layer, heat insulation layer and waterproof layerStandard for industrial pipeline anti-corrosion layer, heat insulation layer and wa
Temperature problems in the production of straight seam steel pipesIn the process of producing straight seam steel pipes, the temperature must be strictly controlled, so as to ensu
Adjustment and Control of the Position of High Frequency Induction Loop of Straight Seam Steel TubeStraight seam steel tube excitation frequency is inversely proportional to the sq
Factors affecting the accuracy and resolution of oil casing wall thickness detectionThe API standard stipulates that the inner and outer surfaces of the imported and imported petro
Preparation before installation of 3PE anti-corrosive steel pipeBefore embedding 3PE anti-corrosion steel pipe, you need to clean up the surrounding environment first, and conduct
Why should pipelines be pickled, degreased and passivated?It is mainly aimed at steel pipes, which are prone to corrosion reactions, and there is a certain hidden danger to equipme
Three processes for forging pipe fittingsThree processes for forging pipe fittings1.Die forgingFor small size pipe fittings such as socket welding and threaded tees, tees, elbows,
Straight seam steel pipe expansion technologyStraight seam steel pipe expansion technology1. Preliminary rounding stage. The fan-shaped blocks are opened until all the fan-shaped b
Large-diameter steel pipe forming methodLarge-diameter steel pipe forming method1. Hot push system expansion methodPushing and expanding equipment is simple, low-cost, easy to main
Characteristics of pipeline non-destructive testingCharacteristics of pipeline non-destructive testing1.The characteristic of non-destructive testing is that it can be tested witho
Seamless steel pipe and seam steel pipeThe seam steel pipe and seamless steel pipe are divided according to the processing form. The seam steel pipe is generally welded. The seamle
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